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A overset("Calcination")rarr CaO + MgO +...

`A overset("Calcination")rarr CaO + MgO + underset("Colourless gas")((B))`
When the colourless gas `(B)` is passed through lime water, initially a milky solution is obtained and on excess passage of gas `(B)` through the lime water, milkiness disappears.
Milkiness of lime water solution disappears due to the formation of :

A

CaO

B

`CaCl_(2)`

C

`CaCO_(3)`

D

`Ca(HCO_(3))_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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